db_text(k): add lcr tables def files

utils/kamctl/dbtext/kamailio/lcr_gw

@@ -0,0 +1,2 @@
+id(int,auto) lcr_id(int) gw_name(string,null) ip_addr(string,null) hostname(string,null) port(int,null) params(string,null) uri_scheme(int,null) transport(int,null) strip(int,null) tag(string,null) flags(int) defunct(int,null) 
+lcr_gw:1

utils/kamctl/dbtext/kamailio/lcr_rule

@@ -0,0 +1,2 @@
+id(int,auto) lcr_id(int) prefix(string,null) from_uri(string,null) stopper(int) enabled(int) 
+lcr_rule:1

utils/kamctl/dbtext/kamailio/lcr_rule_target

@@ -0,0 +1,2 @@
+id(int,auto) lcr_id(int) rule_id(int) gw_id(int) priority(int) weight(int) 
+lcr_rule_target:1